The observed a fatal case of cardiac tumor obstructing the left atrium. Death occurred after massive hemoptysis. At autopsy, the histological diagnosis was primary cardiac osteosarcoma with metastases in the adrenal gland.
Hantson, P., Galant, C., Lefebvre, C., Ghilain, JM., Sempoux, C., Mahieu, P., & Geeraerts, G. (1995). [Extraskeletal Osteosarcoma As An Obstructive Tumor of the Left Atrium - a Case-report]. Annales de Pathologie, 15(1), 50-52. https://hdl.handle.net/2078.5/29166 (Original work published 1995)